Nature and Environment

Tucson Riverbed Clearing Underway

May 17, 2019 The Santa Cruz and Rillito channels are being readied for monsoon rains.

Sustaining the San Pedro River

May 16, 2019 A panel in Bisbee discusses the present and future of Southern Arizona's last large, free-flowing river.

Discussion Looks to Future Colorado River Negotiations

May 16, 2019 With the drought contingency plan on the books, water leaders are starting to think about what's next.

Border Wall to Go Up in National Monument, Wildlife Refuge

May 15, 2019 DHS has again waived environmental laws to build more barriers along the southern border.

Heat Waves, Fires Affect Mexico City’s Air Quality

May 15, 2019 The air quality in cities like the capital are getting worse due to fires in the southern part of the country.

Fire Managers Setting Prescribed Burns This Week

May 14, 2019 National Park Service to ignite 500-plus acres east of Tucson.

Study Finds 96 Percent Of National Parks Have Significant Levels of Air Pollution

May 13, 2019 The study also found that climate change is a significant concern for most national parks.

'Bike Ranch' Proposed Across From Saguaro National Park East

May 13, 2019 The Pima County Board of Supervisors will vote later this month whether to approve the development in the park's buffer zone.

National Park Service Approves Grand Canyon Pipeline Project

May 10, 2019 About 20,000 people daily rely on the water carried by the current line for drinking, cooking and firefighting.

Grijalva Pushes to Modernize 147-Year-Old Mining Law

May 9, 2019 The U.S. representative from Tucson is spearheading an effort to reform the nation's hard-rock mining laws.

Trump Administration Seeks to Build Border Wall Across Protected Lands

May 8, 2019 Environmental groups say a new wall would further endanger wildlife and habitat along the border.

Coronado National Forest to Increase Recreation Fees

May 7, 2019 Starting later this year, the cost of entrance at sites like Sabino Canyon or Madera Canyon will go up.

Meet the T. Rex Cousin You Could Literally Look Down On

May 7, 2019 The 92-million-year-old relative of the so-called king of the dinosaurs only would have grown to about the size of a toddler.

State Seeks Public Comment on Proposed New Interstate

May 7, 2019 The Arizona Department of Transportation has released its preferred route for a new interstate from the Mexican border to north of Phoenix.

Local Water Utilities Fight Unregulated Contaminants

May 3, 2019 While the EPA weighs regulating the chemicals, Tucson and Marana Water are moving ahead with treatment.

Forecast: More Fire Danger, Later Monsoon

May 1, 2019 While rains are expected later than usual, monsoon is always hard to predict.

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